Program Error (Server Error 500)

More information about this error may be available in the
server error log and/or program error log.

Dada Mail 3.0.3 Stable error, please MAKE SURE that '/web/htdocs/www.paconline.it/home/dada_files' is a directory (NOT a file) and that Dada Mail has enough permissions to write into this directory: No such file or directory at /web/htdocs/www.paconline.it/home/cgi-bin/dada/mail.cgi line 6952.